(CNN) - The lawyer for the New Jersey special legislative committee investigating the Christie administration's role in a September shutdown of access lanes to the George Washington Bridge met with federal prosecutors Friday.

A statement released by the committee's co-chairs - Assemblyman John Wisniewski and Sen. Loretta Weinberg - confirmed that Reid Schar, the attorney handling the legislature's probe, met with officials from U.S. Attorney Paul Fishman's office, the latest signal that the federal inquiry into the "Bridgegate" affair may become a full-blown criminal investigation.